The gang helps Brandon repair Casa Walsh after it falls out of escrow. Steve decides to move in with Brandon and Valerie. Kelly prepares to celebrate her 21st birthday party at the Greek Concert Hall with the gang. Meanwhile, Ray becomes the prime suspect when money and jewellery starts disappearing. Dylan goes off in search of the mobster, Anthony Marchette.
- Jason Priestley as Brandon Walsh
- Jennie Garth as Kelly Taylor
- Ian Ziering as Steve Sanders
- Luke Perry as Dylan McKay
- Brian Austin Green as David Silver
- Tori Spelling as Donna Martin
- Tiffani Thiessen as Valerie Malone
- Joe E. Tata as Nat Bussichio
- Kathleen Robertson as Clare Arnold
- Jamie Walters as Ray Pruit
Special Guest Stars
- Dylan – Going to the party?
- Brandon – Of course! I'm a glutton for punishment
- ―Boys talking Kelly
- Steve moves into Casa Walsh with Brandon and Valerie
- Rush gave Steve a 18K solid gold Catier panther watch for his 18th birthday
- Kelly's dad calls from Kuala Lumpur to wish her a happy birthday
- Colin skips Kelly's birthday to paint
- Valerie and Ginger have known each other for 10 years. Ginger leaves L.A.
- Anachronism: Kelly celebrates her birthday, although it was previously in March. She was previously born in 1975, this birthday making the year 1974
- Valerie mentions that Kelly's birthstone is sapphire, which is the September stone.